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Externally controlled pole-changing three-phase motor system

A three-phase motor, magnetic control technology, used in control systems, electrical components, AC motor control, etc., can solve the problems of similar prices, burning components, and high product costs

Inactive Publication Date: 2016-03-16
李德生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the frequency converter used in motors is composed of electronic components, which are easily burned by high current and overload, and are directly related to ambient temperature and humidity and are easily damaged; the frequency converter is an online frequency conversion mode, and the product cost is high; the frequency converter and The price of the motor of this power is similar and higher

Method used

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  • Externally controlled pole-changing three-phase motor system

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Embodiment 1

[0015] Embodiment 1: A 400 kilowatt AC motor: excitation voltage 180V; current 23.6A, power=4248VA. The active magnetic control system slidesheng only controls the power 4248VA load, which is relatively easy in process structure and low in cost.

[0016] The structure of the present invention includes: excitation wire package, outer annular magnetizer, motor wire package, inner motor magnetizer, N / S magnetic pole, cutting magnetic force line direction 1, input port 1, rotor rotation direction, active magnetic control system slidesheng control port 1 , input port 2, magnetic force line direction 2, S / N magnetic pole, active magnetic control system slidesheng control port 2, active magnetic control system slidesheng, power input port 1, power input 2, power input port 3, power input port 4, power input Port 5, power input port 6, etc.

[0017] The external control pole-changing three-phase motor system is composed of 1. excitation wire package, 2. outer annular magnetizer, 3. ...

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Abstract

The invention creatively discloses an externally controlled pole-changing three-phase motor system. According to the externally controlled pole-changing three-phase motor system, built-in control information of an active magnetic control system lidesheng (14) is output via an active magnetic control system lidesheng control port 1 (9) and via an active magnetic control system lidesheng control port 2 (13) respectively and power supply of an excitation solenoid (1) is realized through an input port 1 (7) and an input port 2 (10) respectively; the excitation solenoid (1) is electrified to generate a polarized magnetic field with a variable N / S; the variable polarized magnetic field generated by the excitation solenoid (1) and a rotor synchronously cut a motor solenoid (3); the output solenoid (3) subjected to cutting of magnetic lines of force generates a driving magnetic field; and a power supply input inputs three-phase electric energy through a power supply input port 1 (15), a power supply input port 2 (16), a power supply input port 3 (17), a power supply input port 4 (18), a power supply input port 5 (19) and a power supply input port 6 (20), so that the targets of changing of a rotating speed within a cycle and adjusting of the stability of a motor in a pole-changing manner are achieved.

Description

technical field [0001] The invention relates to an externally controlled pole-changing three-phase motor technology for multi-field applications such as active magnetism, in particular to a device that uses an outer annular magnetizer to control the forward and reverse direction of the wire-wrapped current and the size of the wire-wrapped current; Man-machines, electric vehicles, fans, air compressors and other electric devices driven by unequal speeds (referred to as "external control pole-changing three-phase motor system"). Background technique [0002] At present, the frequency converter used in motors is composed of electronic components, which are easily burned by high current and overload, and are directly related to ambient temperature and humidity and are easily damaged; the frequency converter is an online frequency conversion mode, and the product cost is high; the frequency converter and The price of the motor of this power is similar and higher. Contents of th...

Claims

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Application Information

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IPC IPC(8): H02P25/20
CPCH02P25/20
Inventor 李德生
Owner 李德生
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